Arduino Class – Interacting With Arduino – Part 2

Come join us at The Forge Makerspace (located in the North Branch Library, Denton, TX) to learn about the interacting with the Arduino. In this class we will be focusing on interfacing keypads. Techniques learned here can be used on any existing microcontroller

Keypad, Part 1: Introduction (4:05) In this presentation, I will demonstrate how to connect a common 4×4 membrane keypad that contains numbers, letters “A”, “B”, “C”, and “D”, a “*” and a “#”. I will do it in two ways. First, I’ll use the keypad library that comes with the Arduino IDE in a sketch that reads the keypad, while the keypad is connected in parallel. In demo 2 you learn how to hack together a solution that allows a connection that uses a single signal pin.

Keypad, Part 2: Parallel connection wiring (12:15) In this presentation, I will demonstrate how to connect a common 4×4 membrane keypad that contains numbers, letters “A”, “B”, “C”, and “D”, a “*” and a “#”. I will do it in two ways. First, I’ll use the keypad library that comes with the Arduino IDE in a sketch that reads the keypad, while the keypad is connected in parallel. In demo 2 you will learn how to hack together a solution that allows a connection that uses a single signal pin.

Keypad, Part 3: Parallel connection sketch (5:10) This is Part 3 of 5 of the keypad presentation. Here I describe the sketch that works with the parallel wiring of the keypad. This configuration was demonstrated in Part 2.

Keypad, Part 4: Single wire connection (12:24) This is Part 4 of 5 of the keypad presentation. Here I describe an alternative way to connect the keypad that only uses one signal wire. The single wire configuration concludes in Part 5.

Course work for this class comes from Arduino Step By Step which has over 20 hours of content in 110 lectures. These classes are designed for anyone interested in learning electronic design and C programming. No experience is required. Access to the course material is free at our meetups. If you wish to access the material outside the meetup see our coupons page to get a discount from our sponsor.

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